Home / 50,261.31-75,392.55-12,821.31

Finding the Fourth Proportional to 50,261.31, 75,392.55 and 12,821.31

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Solution

The fourth proportional to 50,261.31, 75,392.55 and 12,821.31 is: 19,232.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,261.31 : 75,392.55 = 12,821.31 : x
  2. Step 2: Convert to fraction form
    50,261.31/75,392.55 = 12,821.31/x
  3. Step 3: Cross multiply
    50,261.31x = 75,392.55 × 12,821.31
  4. Step 4: Simplify right side
    50,261.31x = 966,631,255.24
  5. Step 5: Solve for x
    x = 966,631,255.24/50,261.31
  6. Step 6: Final answer
    x = 19,232.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.